BirdAnalyst
Species · Texas · BBS 2025 Release · 1966–2024

Hairy Woodpecker Population Trend in Texas

All statesForest birds

Hairy Woodpecker in Texas has held roughly steady: up 4% on the route-weighted index since 1971.

+4%Since 1971TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
49Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
55YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Hairy Woodpecker Trends in TexasNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Hairy Woodpecker in Texas. See the full index history below.

Hairy Woodpecker Population Forecast in Texas

If the recent trend holds, Hairy Woodpecker in Texas is projected to fall about 62% by 2029 — from 0.06 in 2024 to a central estimate of 0.02 (95% range 0.00–0.11). A 5-year backtest shows a typical error of ±102.2%, with 100% of held-out values landing inside the 95% band.

-62%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.02Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.1195% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±102.2%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Hairy Woodpecker in Texas is projected to fall about 62% by 2029 — from 0.06 in 2024 to a central estimate of 0.02 (95% range 0.00–0.11). A 5-year backtest shows a typical error of ±102.2%, with 100% of held-out values landing inside the 95% band.19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20250.030.000.11
20260.030.000.11
20270.020.000.11
20280.020.000.11
20290.020.000.11

Hairy Woodpecker Survey Routes in Texas

Routes recording Hairy Woodpecker in Texas.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Powell Park 2320242024
Chandler319851985
Livingston220221973
Oak Grove219861968
Ola219881985
Easton 2220232017
Lydia220231995
Alexander St220241999
Powell Park220211995
Bonner220222022
Booker219951995
Oak Grove 2120142006
Hearne119991999
College Stn119901990
Blue Ridge119941994
Thornton 2119951995
Muldoon119861986
Lockhart119831983
Chandler 2120112009
Town Bluff120091979
New Waverly120231970
Peach Creek119841970
Diboll120241968
Caledonia120211970
Massey Lake120051976

Hairy Woodpecker Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.